/*
 * Copyright (c) 2012 Andrea De Rinaldis <ozioso at ipignoli.dyndns.org>
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package org.dyndns.ipignoli.droidcruise.routes;

import java.util.LinkedList;
import org.dyndns.ipignoli.droidcruise.DroidCruise;
import android.location.Location;
import android.util.Log;


public class RouteList extends LinkedList<Route>{
  private static final long serialVersionUID = 1L;

  private Route             selectedRoute;
  private Location          lastLocation;
  private boolean           radar;

  public RouteList(){
    super();
    selectedRoute = null;
    lastLocation = null;
    radar = false;
  }

  public synchronized Location getLastLocation(){
    return lastLocation;
  }

  public synchronized Route getSelectedRoute(){
    return selectedRoute;
  }

  private synchronized void setSelectedRoute(Route r, Location l){
    Log.println(DroidCruise.DEBUG_LEVEL,
        "droidcruise.RouteList.setSelectedRoute", "selected route=" + r);
    selectedRoute = r;
    lastLocation = l;
    if(r != null && r.isRadarApproaching(l))
      setRadar(true);
    else
      setRadar(false);
  }

  public synchronized boolean getRadar(){
    return radar;
  }

  private synchronized void setRadar(boolean radar){
    this.radar = radar;
  }

  public void update(Location l, int gpsAccuracy){
    Location lastLocation = getLastLocation();
    if(lastLocation != null && lastLocation.distanceTo(l) < gpsAccuracy)
      return;

    Log.println(DroidCruise.DEBUG_LEVEL, "droidcruise.RouteList.update",
        "checking routes");

    Route rSel = getSelectedRoute();
    if(rSel != null && rSel.isInRoute(l, gpsAccuracy)){
      setSelectedRoute(rSel, l);
      return;
    }

    for(Route r: this){
      if(!r.isInRoute(l, gpsAccuracy))
        continue;

      setSelectedRoute(r, l);
      return;
    }
    setSelectedRoute(null, l);
    setRadar(false);
  }
}
